package org.example.lotterysystem.dao.mapper;

import org.apache.ibatis.annotations.*;
import org.example.lotterysystem.dao.dataobject.Encrypt;
import org.example.lotterysystem.dao.dataobject.UserDO;

import java.util.List;
import java.util.stream.DoubleStream;
import java.util.stream.Stream;

@Mapper
public interface UserMapper {
    /**
     *查询邮箱绑定的人数
     * @param email
     * @return
     */
    @Select("select count(*) from user where email = #{email}")
    int countByMail(@Param("email")String email);

    @Select("select count(*) from user where phone_number = #{phoneNumber}")
    int countByPhone(@Param("phoneNumber") Encrypt phoneNumber);

    @Insert("insert into user (user_name,email,phone_number,password,identity)" +
            " values (#{userName},#{email},#{phoneNumber},#{password},#{identity})")
    @Options(useGeneratedKeys = true,keyProperty = "id",keyColumn = "id")
    void insert(UserDO userDO);

    @Select("select * from user where email = #{email}")
    UserDO selectByMail(@Param("email") String email);

    @Select("select * from user where phone_number = #{phoneNumber}")
    UserDO selectByPhoneNumber(@Param("phoneNumber") Encrypt phoneNumber);

    @Select("<script>" +
            "select * from user " +
            "<if test =\"identity != null\">where identity = #{identity}</if> " +
            "order by id desc</script>")
    List<UserDO> selectUserListByIdentity(@Param("identity") String identityStr);

    //1 2 3 ->1 2
    @Select("<script>" +
                   " select id from user " +
                   " where id in" +
                   " <foreach item = 'item' collection = 'items' open = '(' separator = ',' close = ')'>"+
                    " #{item}" +
                    " </foreach>"+
                   " </script>")
    List<Long> selectExistByIds(@Param("items") List<Long> ids);

    @Select("<script>" +
            " select * from user " +
            " where id in" +
            " <foreach item = 'item' collection = 'items' open = '(' separator = ',' close = ')'>"+
            " #{item}" +
            " </foreach>"+
            " </script>")
     List<UserDO> batchSelectByIds(@Param("items")List<Long> ids);

}
